199974927

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{28621}}^1$

素因数の和:28778

約数の個数: 16

約数和(自身を含む): 284388192

約数和(自身を除く): 84413265

約数列:

[1, 3, 17, 51, 137, 411, 2329, 6987, 28621, 85863, 486557, 1459671, 3921077, 11763231, 66658309, 199974927]

約数ペア:

[(1, 199974927), (3, 66658309), (17, 11763231), (51, 3921077), (137, 1459671), (411, 486557), (2329, 85863), (6987, 28621)]